CD8

Formalin-fixed, paraffin embedded tissue block or cell block, or 1 unstained charged slide for each test requested plus 3-4 additional unstained slides cut at 4 microns. Adequate space on each slide for control tissue is required.

Expressed in large granular lymphocyte leukemia, non-neoplastic supressor/cytotoxic T cells, T-cell lymphoblastic leukemia (variable), and at a low level by gamma/delta T-cells and NK cells.